Arm rest



FIG. 1 is a side elevation of an arm rest showing my new design, the opposite side elevation being a substantial duplicate thereof.

FIG. 2 is an end view of the arm rest, the other end view being a substantial duplicate thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom view thereof. 

The ornamental design for an arm rest, substantially as shown and described. 